Math Activities Using Basic Math Calculations for Disaster Based Statistics:
The following website contains an interactive quiz that uses real life natural disaster situations to practice math skills. Students can use this as an independent activity and complete the quizzes for earthquakes, hurricanes, floods, etc. http://www.fema.gov/kids/dizmath.htm

Combining Science, Social Studies, Research, and Math:

The following website is a math/research/science interactive quiz and scavenger hunt created around the topic of natural disasters. Students can use this as an independent activity. http://teacher.scholastic.com/mathhunt/StartGame.asp?QuizID=16

Research, Statistics, and Graphs:

Choose five natural disasters from the website http://sf.factmonster.com/ipka/A0775896.html.
or other web sources and research the effects of the events such as number of people killed, number of injuries, magnitude on scientific measuring scales , or monetary collateral damage. After obtaining the information, create charts and graphs comparing and contrasting the disasters.